Lawrence Webster Forrest (LWF), Fire Engineering and Fire Risk Management Consultants
Lawrence Webster Forrest (LWF), Fire Engineering and Fire Risk Management Consultants



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Freephone: 0800 410 1130
E-mail: fire@lwf.co.uk

General Bulletins

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MS09 Emergency Lighting:-

Whenever there is a loss of mains lighting in a fire condition it is likely that confusion and accidents will happen. Therefore the need for emergency lighting is important for two principal reasons, the first is to reveal a safe exit out of an emergency situation, the second being the avoidance of any hazards which may be present along the escape route. In this edition we consider the merits and virtues of emergency lighting.


MS08 Fire Suppression Systems:-

Since the discovery of the hole in the ozone layer over the South Pole, environmental moves and associated research led to the Vienna Agreement. This was rapidly followed by the signing of the Montreal Protocol, under the United Nations Environment Programme relating to substances, which deplete the ozone layer. Such international agreements have led to the rapid cessation of further production of halons due to their high ozone depletion characteristics. However considering the number of existing installations dependent upon halons in the UK, it was necessary to introduce transitional arrangements. Although users can purchase halon to recharge their systems via the Halon Bank managed by the Halon Users Consortium, this supply cannot be sustained so extensive research has been undertaken into the development of halon alternatives.


MS07 Fire Safety & the Disabled:-

Requirements for the provision of disabled access in buildings was first introduced into the Building Regulations over 15 years ago. Since then more detailed requirements have been incorporated in addition to other anti-discriminatory legislation, which place a statutory duty of care on building designers and occupiers to ensure that adequate measures are incorporated into new and existing buildings to enable the safe evacuation of people with disabilities.


MS06 Fire Risk Assessments:-

The risk of fire has various implications to any organisation not only in terms of life, but also in the risk to the building fabric / contents and the continuity of the organisation’s activity or indeed its continued existence. Risks may exist which are peculiar to the operation of the premises in terms of processes, occupation or perhaps the nature and extent of the building structure. Specific and general threats need to be identified and this qualification and quantification process forms the basis of a fire risk assessment.


MS05 Dealing with False Alarms:-

When a business is being constantly interrupted by false alarms, the fire alarm and detection system which causes them becomes a liability and eventually may be ignored with potentially disastrous results. Following on from the previous bulletin, "Choosing a Fire Alarm System", we now consider the subject of preventing unwanted false alarms.


MS04 Choosing a Fire Alarm System:-

Choosing the correct fire alarm system often requires a fine balance between what is required in order to provide early warning in the event of a fire, the need to satisfy legislation and the issue of cost against risk for life safety and property protection. In this edition we consider the options which need to be reviewed in order to ensure the suitability of a fire alarm system.


MS03 Fire Doors & Screens:-

When fire upgrading works are required to premises which contain specialist joinery items, care must be taken when meeting the requirement of the fire certificate to avoid unnecessary replacement and potential conflict with planning and heritage bodies. In this edition we consider the method of upgrading timber-panelled doors from 15 minutes fire resistance to over 30 minutes without any outward change to the appearance of the door.


MS02 Sprinklers:-

It has long been accepted by those involved in fire safety that the most effective means by which to control an outbreak of fire is the installation of automatic fire suppression. Automatic fire suppression systems are designed to detect a fire at an early stage and depending upon the nature and development of the fire, either to control or extinguishes the outbreak. In this edition we concentrate on the category of fire protection and in particular the aspect of fire suppression by fixed and automatic systems.


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FIRE SAFETY BLOGS

  • Fire Engineering Design and Risk Assessment - Firefighting & Rising Water Mains - Part 36

    In LWF’s fire engineering blog series for Architects and others in the building design business, we have been talking about firefighting and rising water mains in buildings. In part 35, we began to discuss wet rising water mains and in part 36 we will continue looking at that subject before considering horizontal mains, also known as internal hydrants, which are seen more commonly in buildings with large floor area.It was established in part 35...

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  • Fire Safety for Healthcare Premises - Fire Safety Audits - Part 70

    In LWF’s blog series for healthcare professionals, the aim is to give information on best practice of fire safety in hospitals and other healthcare premises. In part 69, we discussed the management of staffing levels and in addition to the number of staff available, it was important that each and every staff member had adequate training in fire and evacuation issues. In part 70, we will discuss fire safety audits and what arrangements should be...

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  • Facilities Management & Fire Safety - Business Continuity Insurance - Part 17

    In LWF’s blog series for those who work in Facilities Management or who have an interest in or responsibility for fire safety, we have been looking at how businesses are protected against interruption from fire. In part 16, we began an overview of the history of consequential loss insurance, which only came into being around 1900, long after life and property protection insurance.  In part 17, we continue from the 1960s.Although the increase in...

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  • Fire Engineering Design and Risk Assessment - Firefighting & Rising Water Mains - Part 35

    In LWF’s Fire Engineering blog series for Architects and others in the building design business, we have been looking at those provisions which can be made to assist firefighting in case of a fire. In part 34, we commenced looking at wet rising mains and noted that while they can be permanently connected to water mains, it is more common to see the systems connected to a water tank with a pump or gravity feed,...

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  • Fire Safety for Healthcare Premises - Fire Safety & Staffing Levels - Part 69

    In LWF’s blog series for healthcare professionals, the aim is to give information on best practice of fire safety in hospitals and other healthcare premises. In part 68, LWF discussed staffing levels in terms of fire safety and the importance of the staff in attendance having sufficient fire safety training. In part 69, we will continue looking at staffing levels and fire safety concerns.The management of any healthcare venue must consider and agree what...

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Case Studies

Brentwood Town Hall Redevelopment
The redevelopment of Brentwood Town Hall included renovating the existing five storey property to provide police and council offices, a community hub and lettable office space across the basement, gro...

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General Bulletins

Fire - The External Risk
When we consider fire safety, our focus is normally from within, what can we do to prevent the occurrence of fire and how we can limit its damage.  Whilst this is the correct stance to take, we m...

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Technical Bulletins

Evacuation Modelling - Factor in Human Behaviour
Evacuation of buildings can be analyzed in different ways. Approved Document B (ADB) which provides guidance on meeting the requirements of the England and Wales Building Regulations with regard to fi...

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